Solve , 2x- 3y is equal to 12 , x +2y is equal to 1 by cross multiplicatio
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2x - 3y = 12
2x - 3y - 12 = 0
x + 2y = 1
x + 2y - 1 = 0
x = b1c2 - b2c1 = -3×-1 - 2×-12 = 3 + 24 = 27
a1b2 - a2b1 2×2 - 1×-3 4 + 3 7
y = c1a2 - c2a1 = -12×1 - 2×-1 = -12+2 = -10
a1b2 - a2b1 2×2 - 1×-3 4 + 3 7
Hope it helps!!
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